* [Enhance] Ensure metrics is not empty when saving best ckpts

* fix warn to warning

* delete a unnecessary method

* Add build_runner_with_tta and PrepareTTAHook

* rename hook file

* support build tta runner with runner type

* add unit test

* Add build_runner_with_tta to index.rst

* minor refine

* Add runner test cast

* Fix unit test

* fix unit test

* tmp save

* pop None if key does not exist

* Fix is_model_wrapper and force register class in test_runner

* [Fix] Fix is_model_wrapper

* destroy group after ut

* register module in testcase

* pass through unit test

* fix as comment

* remove breakpoint

* remove mmengine/testing/runner_test_cast.py

* minor refine

* minor refine

* minor refine

* set default data preprocessor for model

* minor refine

* minor refine

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>

* fix lint

* Fix unit test

* replace  with  in ImgDataPreprocessor

* Fix as comment

* add inference tutorial in advanced tutorial

* update index.rst

* add tta example

* refine tta tutorial

* Add english tutorial

* add note for build_runner_with_tta

* Fix as comment

* add examples

* remove chinese comment

* Update docs/en/advanced_tutorials/test_time_augmentation.md

Co-authored-by: RangiLyu <lyuchqi@gmail.com>

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>
Co-authored-by: RangiLyu <lyuchqi@gmail.com>

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* [Feature] Add profiler hook functionality

* Apply suggestions from code review

* Update mmengine/hooks/profiler_hook.py

Co-authored-by: Zaida Zhou <58739961+zhouzaida@users.noreply.github.com>

* Fix error format of log message

* Fix unit test

* remove unnecessary comment

* First commit

* add BaseTestTimeAugModel

* Add unit test

* move loop logic to test_step

* fix ddp test

* rename model to module

* optim __init__

* Fix as comment

* Fix as comment

* make val_step should not be called

* make tta do not inherit base model

* Fix unit test

* Enhance docstring

* Fix as comment

* Fix as comment

* minor refine

* minor refine

* minor refine

* fix unit test

* minor refine

* minor refine

* minor refine

* minor refine

* minor refine

* minor refine

* fix unit test

* [Refactor] Refactor fileio but without breaking bc

* handle compatibility

* fix format

* modify io functions

* fix ut

* fix ut

* rename method names

* refine

* refine docstring

* fix ut in windows

* update ut

* minor fix

* ensure client is not None when closing it

* add more examples for list_dir_or_file interface

* refine docstring

* refine deprecated info

* fix ut

* add a description for lmdb docstring

* fix ema load_state_dict

* fix ema load_state_dict

* fix for test

* fix by review

* fix resume and keys

* [Fix] Fix EMAHook trigger train loop init during testing.

* fix sync buffer

* update ut

* fix sync buffer

* fix sync buffer

* [Refactor]: modify interface of Visualizer.add_datasample (#365)

* [Refactor] Refactor data flow: refine `data_preprocessor`. (#359)

* refine data_preprocessor

* remove unused BATCH_DATA alias

* Fix type hints

* rename move_data to cast_data

* [Refactor] Refactor data flow: collate data in `collate_fn` of `DataLoader`  (#323)

* acollate data in dataloader

* fix docstring

* refine comment

* fix as comment

* refactor default collate and psedo collate

* foramt test file

* fix docstring

* fix as comment

* rename elem to data_item

* minor fix

* fix as comment

* [Refactor] Refactor data flow: `data_batch` argument of `Evaluator.process is a `dict` (#360)

* refine evaluator and metric

* compatible with new default collate

* replace default collate with pseudo

* Handle data_batch in metric

* fix unit test

* fix unit test

* fix unit test

* minor refine

* make data_batch optional

make data_batch optional

* rename outputs to predictions

* fix ut

* rename predictions to outputs

* fix docstring

* fix docstring

* fix unit test

* make outputs and data_batch to kwargs

* fix unit test

* keep signature of metric

* fix ut

* rename pred_sample arguments to data_sample(Visualizer)

* fix loop and ut

* [refactor]: Refactor model dataflow (#398)

* [Refactor] Refactor data flow: refine `data_preprocessor`. (#359)

* refine data_preprocessor

* remove unused BATCH_DATA alias

* Fix type hints

* rename move_data to cast_data

* refactor model data flow

tmp_commt

tmp commit

* make val_cfg and test_cfg optional

* roll back runner

* pass test mmdet

* fix as comment

fix as comment

fix ci in DataPreprocessor

* fix ut

* fix ut

* fix rebase main

* [Fix]: Fix test val ddp (#462)

* [Fix] Fix docstring and type hint of data flow (#463)

* Fix docstring of data flow

* change signature of hook

* fix unit test

* resolve conflicts

* fix lint

* Rename data to structure

* adjust the way to import module

* adjust the way to import module

* rename Structure to Data Structures in docs api

* rename structure to structures

* support using some modules of mmengine without torch

* fix circleci config

* fix circleci config

* fix registry ut

* minor fix

* move init method from model/utils to model/weight_init.py

* move init method from model/utils to model/weight_init.py

* move sync_bn to model

* move functions depending on torch to dl_utils

* format import

* fix logging ut

* add weight init in model/__init__.py

* move get_config and get_model to mmengine/hub

* move log_processor.py to mmengine/runner

* fix ut

* Add TimeCounter in dl_utils/__init__.py